SMOKING IN PREGNANCY - EFFECTS OF STOPPING AT DIFFERENT STAGES
SMOKING IN PREGNANCY - EFFECTS OF STOPPING AT DIFFERENT STAGES
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DOI：
10.1111/j.1471-0528.1988.tb09481.x
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发表时间：
1988-06-01
期刊：
影响因子：
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通讯作者：
KNOX, EG
中科院分区：
文献类型：
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作者：
MACARTHUR, C;KNOX, EG
在4341名孕妇中，3106人在怀孕初期不吸烟，1235人在怀孕初期吸烟。其中85人在妊娠6周前戒烟，119人在6至16周之间戒烟，56人在16周后戒烟。另有51人暂时停止吸烟，924人在整个怀孕期间吸烟。各组的平均出生体重不同。也有社会和生物学差异，如可能部分解释出生体重的变化，所以在考虑这些因素后重复比较。所有戒烟组的标准化平均出生体重均高于持续吸烟组。那些在妊娠6周前和6至16周之间停止吸烟的婴儿分别为217和213 g，比持续吸烟者重，与非吸烟者相似。那些在16周后停止或暂时停止的人所生的婴儿体重中等。适当的建议是，在16周之前的任何时间停止是最好的，但在此之后停止仍然是有益的。
Of 4341 pregnant women, 3106 were non‐smokers and 1235 were smokers at the start of pregnancy. Eighty‐five had stopped smoking before 6 weeks gestation, 119 between 6 and 16 weeks, and 56 stopped after 16 weeks. A further 51 stopped temporarily and 924 smoked throughout pregnancy. The mean birthweight of the groups differed. There were also social and biological differences such as might partly explain birthweight variations so comparisons were repeated after allowing for these factors. Standardized mean birthweights were greater for all groups who stopped than for persistent smokers. Those who stopped before 6 weeks and between 6 and 16 weeks gestation had infants 217 and 213 g, respectively, heavier than the persistent smokers and similar to the non‐smokers. Babies born to those who stopped after 16 weeks, or temporarily, were intermediate in weight. Appropriate advice is that stopping any time before 16 weeks is best, but stopping after this is still beneficial.